<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script>
			//console.log(Math.PI);
			console.log(Math.round(Math.random()*100));	//0-100之间的随机数，包括0和100
		</script>
	</head>
	<body>
	</body>
</html>
